I-55 weather conditions near Saint Louis, Missouri

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Partly Cloudy 59°F 2025-09-28T06:51:00-05:00
• Today 2025-09-28, Sunny. Sunny, with a high near 88. Calm wind becoming southeast around 6 mph in the afternoon.
• Tonight 2025-09-28, Clear. Clear, with a low around 60. Light and variable wind.
• Monday 2025-09-29, Sunny. Sunny, with a high near 89. Calm wind becoming east around 6 mph in the afternoon.
• Monday Night 2025-09-29, Clear. Clear, with a low around 62. Light east wind.
• Tuesday 2025-09-30, Sunny. Sunny, with a high near 88. Calm wind becoming northeast 5 to 7 mph in the afternoon.
• Tuesday Night 2025-09-30, Partly Cloudy. Partly cloudy, with a low around 62.
• Wednesday 2025-10-01, Mostly Sunny. Mostly sunny, with a high near 85.
• Wednesday Night 2025-10-01, Partly Cloudy. Partly cloudy, with a low around 61.
• Thursday 2025-10-02, Sunny. Sunny, with a high near 85.
• Thursday Night 2025-10-02, Mostly Clear. Mostly clear, with a low around 59.
• Friday 2025-10-03, Sunny. Sunny, with a high near 85.
• Friday Night 2025-10-03, Clear. Clear, with a low around 60.
• Saturday 2025-10-04, Sunny. Sunny, with a high near 84.